package control;

import entity.User;
import entity.UserRole;
import java.io.IOException;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.validation.ConstraintViolationException;

@WebServlet(name = "RegisterUser", urlPatterns = {"/RegisterUser"})
public class RegisterUser extends HttpServlet {
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        
        boolean formSucces = false;
        
        EntityManagerFactory fact = Persistence.createEntityManagerFactory("vh11i_jeePU");
        EntityManager em = fact.createEntityManager();
        
        User user = new User();
        request.setAttribute("user", user);
        
        try {
            if(request.getMethod().equals("POST")) {
                
                // TODO: foutmeldingen -> hoe?
                user.setUserRole(UserRole.CUSTOMER);
                user.setFirstName(request.getParameter("firstname"));
                user.setLastName(request.getParameter("lastname"));
                user.setEmail(request.getParameter("email"));
                user.setPassword(request.getParameter("password"));
                user.setAddres(request.getParameter("addres"));
                user.setZipcode(request.getParameter("zipcode"));
                user.setCity(request.getParameter("city"));
                
                
                    em.getTransaction().begin();
                    em.persist(user);
                    em.getTransaction().commit();
                    formSucces = true;
                
            }
        } catch(ConstraintViolationException ex) {
            request.setAttribute("formError", ex.getConstraintViolations());
        }
        finally {
            em.close();
            fact.close();
        }

        if (formSucces) {
            response.sendRedirect("registerUser.jsp?success=true");
        }
        else {
            RequestDispatcher dispatcher = request.getServletContext().getRequestDispatcher("/registerUser.jsp");
            dispatcher.forward(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
